#include<cstdio>//uncle-lu
#include<algorithm>
template<class T>void read(T &x)
{
	x=0;int f=0;char ch=getchar();
	while(ch<'0'||ch>'9') { f|=(ch=='-'); ch=getchar(); }
	while(ch<='9'&&ch>='0') { x=(x<<1)+(x<<3)+(ch^48); ch=getchar(); }
	x = f ? -x : x;
	return ;
}

int main()
{
	int T;
	read(T);
	for (int t = 1; t <= T; t++) 
	{
		read(x);
		double ans = 0;
		int temp = x/4.0;
		if( temp <= 100 && temp >= 95)
			ans = 4.3;
		else if( temp <= 94 && temp >= 90)
			ans = 4.0;
		else if( temp <= 89 && temp >= 85)
			ans = 3.7;
		else if( temp <= 84 && temp >= 80)
			ans = 3.3;
		else if( temp <= 79 && temp >= 75)
			ans = 
	}
}
